/*
 * Copyright (c) 2020 The Hyve B.V.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY, WITHOUT EVEN THE IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS
 * FOR A PARTICULAR PURPOSE. The software and documentation provided hereunder
 * is on an "as is" basis, and Memorial Sloan-Kettering Cancer Center has no
 * obligations to provide maintenance, support, updates, enhancements or
 * modifications. In no event shall Memorial Sloan-Kettering Cancer Center be
 * liable to any party for direct, indirect, special, incidental or
 * consequential damages, including lost profits, arising out of the use of this
 * software and its documentation, even if Memorial Sloan-Kettering Cancer
 * Center has been advised of the possibility of such damage.
 */

/*
 * This file is part of cBioPortal.
 *
 * cBioPortal is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.cbioportal.legacy.utils.config;

import java.util.Map;
import java.util.stream.Stream;
import org.cbioportal.legacy.utils.config.annotation.ConditionalOnProperty;
import org.springframework.context.annotation.Condition;
import org.springframework.context.annotation.ConditionContext;
import org.springframework.context.annotation.PropertySource;
import org.springframework.context.annotation.PropertySources;
import org.springframework.core.type.AnnotatedTypeMetadata;

@PropertySources({
  @PropertySource(value = "classpath:application.properties", ignoreResourceNotFound = true),
  @PropertySource(
      value = "file:///${PORTAL_HOME}/application.properties",
      ignoreResourceNotFound = true)
})
// Adapted from Spring Boot
public class PropertyCondition implements Condition {

  public PropertyCondition() {
    super();
  }

  @Override
  public boolean matches(ConditionContext context, AnnotatedTypeMetadata metadata) {
    Map<String, Object> attributes =
        metadata.getAnnotationAttributes(ConditionalOnProperty.class.getName());
    String name = (String) attributes.get("name");
    Object requiredValue = attributes.get("havingValue");
    boolean matchIfMissing = (boolean) attributes.get("matchIfMissing");
    boolean isNot = (boolean) attributes.get("isNot");
    String actualValue = context.getEnvironment().getProperty(name);
    if (actualValue == null) return matchIfMissing;
    if (requiredValue instanceof String[]) {
      if (isNot)
        return Stream.of((String[]) requiredValue)
            .noneMatch(value -> value.equalsIgnoreCase(actualValue));
      return Stream.of((String[]) requiredValue)
          .anyMatch(value -> value.equalsIgnoreCase(actualValue));
    }
    return isNot
        ? !((String) requiredValue).equalsIgnoreCase(actualValue)
        : ((String) requiredValue).equalsIgnoreCase(actualValue);
  }
}
